Lorois, 1860: synonym of Conus ventricosus Gmelin, 1791 Conus guiandradoi (Cossignani & Fiadeiro, 2017): synonym of Conus josephinae Rolán, 1980 Conus guidopoppei Raybaudi Massilia, 2005: synonym of Conasprella guidopoppei (G. Raybaudi Massilia, 2005) Conus guttatus Kiener, 1848: synonym of Conus lineopunctatus Kaicher, 1977 Conus guyanensis Van Mol, 1973: synonym of Conasprella guyanensis (Van Mol, 1973) Conus halitropus Bartsch & Rehder, 1943: synonym of Conus obscurus G. B. Sowerby I, 1833 Conus halli da Motta, 1983: synonym of Conus hyaena Hwass in Bruguière, 1792 Conus hamilli Crosse, 1858: synonym of Conus erythraeensis Reeve, 1843 Conus hammatus Bartsch & Rehder, 1943: synonym of Conus circumactus Iredale, 1929 Conus hanleyi G. B. Sowerby II, 1857: synonym of Conus ventricosus Gmelin, 1791 Conus hawaiensis Kaicher, 1956: synonym of Conus suturatus Reeve, 1844 Conus hayesi Korn, 2001: synonym of Conus brianhayesi Korn, 2001 Conus hedgesi G. B. Sowerby III, 1913: synonym of Conus iodostoma Reeve, 1843 Conus henckesi Coltro, 2004: synonym of Conasprella henckesi (Coltro, 2004) Conus henoquei Bernardi, 1860: synonym of Conus fumigatus Hwass in Bruguière, 1792 Conus henriquei (Petuch & R. F. Myers, 2014): synonym of Conasprella henriquei (Petuch & R. F. Myers, 2014) Conus hepaticus Kiener, 1847: synonym of Conus quercinus [Lightfoot], 1786 Conus hereditarius da Motta, 1987: synonym of Conus ammiralis Linnaeus, 1758 Conus herillus Nardo, 1847: synonym of Conus ventricosus Gmelin, 1791 Conus herndli (Petuch & R. F. Myers, 2014): synonym of Conasprella herndli (Petuch & R. F. Myers, 2014) Conus hevassii A. Adams, 1855: synonym of Conus varius Linnaeus, 1758 Conus hivanus Moolenbeek, Zandbergen & Bouchet, 2008: synonym of Conasprella hivana (Moolenbeek, Zandbergen & Bouchet, 2008) Conus holemani Nowell-Usticke, 1968: synonym of Conus cedonulli Linnaeus, 1767 Conus hopwoodi Tomlin, 1937: synonym of Conasprella hopwoodi (Tomlin, 1937) Conus howelli Iredale, 1929: synonym of Conasprella howelli (Iredale, 1929) Conus huberi Thach, 2018: synonym of Conus striatus Linnaeus, 1758 Conus huberorum da Motta, 1989: synonym of Conus buxeus loroisii Kiener, 1846 Conus humilis von Salis Marschlins, 1793: synonym of Conus ventricosus Gmelin, 1791 Conus hunti Wils & Moolenbeek, 1979: synonym of Conus sanderi Wils & Moolenbeek, 1979 Conus hybridus Kiener, 1845: synonym of Conus franciscanus Hwass in Bruguière, 1792 Conus hypochlorus Tomlin, 1937: synonym of Conasprella hypochlorus (Tomlin, 1937) Conus iansa Petuch, 1979: synonym of Conasprella iansa (Petuch, 1979) Conus iberogermanicus Röckel, Rolán & Monteiro, 1980: synonym of Conus irregularis G. B. Sowerby II, 1858 Conus ichinoseanus (Kuroda, 1956): synonym of Conasprella